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GlassHeadlights · 12-09-2008, 11:30 PM

I heard that VTEC operates at peak when the motor has the right ammount of oil.

I guess that would make sense because VTEC uses oil pressure to engage.

So would that mean too much oil in the crankcase would take away from peformance?

I'm just kinda curious.

General Lee · 12-09-2008, 11:52 PM

im not 100% sure but from what i understand the vtec doesnt actually "run" on oil pressure, but is more like engaged by adaquite oil pressure. thus as long as you have enough oil pressure to engage the vtec excess oil pressure is irellavent. please correct me if im wrong. and rep me if i am lol

GlassHeadlights · 12-10-2008, 12:03 AM

I was thinking of something along thoes lines.

What part of B.C. are you in btw? I'm in Victoria on the island.

YBLEGAL · 12-10-2008, 04:04 AM

Lee man is right. The pressure is all it needs to move the locking pin for each rocker arm. Check out the How VTEC Works video on youtube..

YBLEGAL · 12-10-2008, 04:05 AM

The middle cam lobe (the largest one) is the VTEC lobe. The middle spring is a Lost Motion Assembly (LMA). The other 2 springs are the valve springs. I think you can take it from there.

GlassHeadlights · 12-10-2008, 09:28 AM

Thanks, I get it now.

12-09-2008, 11:30 PM	#1
GlassHeadlights F**k plastic. Join Date: Oct 2007 Location: Victoria, BC, Canada Age: 16 Posts: 2,704 iTrader: 0 / 0% Ride: '91 CRX Si w/Mini-Me and '90 Civic Si Blog Entries: 2 Rep Power: 79	VTECH Oil Quantity I heard that VTEC operates at peak when the motor has the right ammount of oil. I guess that would make sense because VTEC uses oil pressure to engage. So would that mean too much oil in the crankcase would take away from peformance? I'm just kinda curious.

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12-09-2008, 11:52 PM	#2
General Lee Member Join Date: Apr 2008 Location: B.C. Canada EH! Posts: 76 iTrader: 0 / 0% Ride: 2000 Acura 1.6EL with b16a swap Rep Power: 0	im not 100% sure but from what i understand the vtec doesnt actually "run" on oil pressure, but is more like engaged by adaquite oil pressure. thus as long as you have enough oil pressure to engage the vtec excess oil pressure is irellavent. please correct me if im wrong. and rep me if i am lol

12-10-2008, 12:03 AM	#3
GlassHeadlights F**k plastic. Join Date: Oct 2007 Location: Victoria, BC, Canada Age: 16 Posts: 2,704 iTrader: 0 / 0% Ride: '91 CRX Si w/Mini-Me and '90 Civic Si Blog Entries: 2 Rep Power: 79	I was thinking of something along thoes lines. What part of B.C. are you in btw? I'm in Victoria on the island.

12-10-2008, 04:04 AM	#4
YBLEGAL Regular Member w/ Cheese Join Date: Aug 2006 Location: NW Indiana Posts: 2,749 iTrader: 0 / 0% Ride: 2000 EJ8 w/ SiR-II Rep Power: 73	Lee man is right. The pressure is all it needs to move the locking pin for each rocker arm. Check out the How VTEC Works video on youtube..

12-10-2008, 04:05 AM	#5
YBLEGAL Regular Member w/ Cheese Join Date: Aug 2006 Location: NW Indiana Posts: 2,749 iTrader: 0 / 0% Ride: 2000 EJ8 w/ SiR-II Rep Power: 73	The middle cam lobe (the largest one) is the VTEC lobe. The middle spring is a Lost Motion Assembly (LMA). The other 2 springs are the valve springs. I think you can take it from there.

12-10-2008, 09:28 AM	#6
GlassHeadlights F**k plastic. Join Date: Oct 2007 Location: Victoria, BC, Canada Age: 16 Posts: 2,704 iTrader: 0 / 0% Ride: '91 CRX Si w/Mini-Me and '90 Civic Si Blog Entries: 2 Rep Power: 79	Thanks, I get it now.

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